AI-generated summary
The heavy rain that started in the evening across Istanbul negatively affected daily life and traffic in many parts of the city.
The rain, which started in the evening, increased in intensity in the form of thunderstorms in some districts.
Citizens using public transportation took shelter under the stops due to the downpour.
Some citizens opened their umbrellas to protect themselves from the rain.
Those who were caught unprepared for the downpour waited for a while under the awnings of their workplaces and at the entrances of the buildings.
Puddles of water formed in some streets and avenues throughout the city after the downpour.
Vehicles had difficulty moving forward in Üsküdar, Pendik, Sultanbeyli, Çekmeköy, Beykoz, Küçükçekmece, Maltepe, Sultangazi, Fatih, Bahçelievler, Beylikdüzü, Bağcılar and Eyüpsultan because the streets were filled with water.
Meanwhile, motorcyclists and citizens passing by had a hard time.
Tourists who did not mind the rain continued to walk in Taksim Square and Istiklal Street.
Some tourists took photos under the downpour.
Due to the effect of the rain, traffic accidents with damage occurred on some streets.
According to IMM CepTrafik application data, traffic density in the city overall and on the Anatolian and European sides was measured as 89 percent.

Heavy rain was effective in Istanbul in the evening hours. In some districts, streets were filled with water and vehicles had difficulty moving. According to IMM CepTrafik data, traffic density throughout the city was measured as 89 percent. Istanbul Governorship warned that intermittent and sometimes heavy rain is expected as of Wednesday morning, 04.11.2026.

Heavy rain in Istanbul increased the traffic density to 90 percent. While the Ministry has warned of floods, landslides and tornadoes for 23 provinces, temperatures are expected to drop towards the weekend and snowfall in higher areas.
Turkish Technology Development Foundation (TTGV) will hold international panels on the development of climate technologies with local capacity and green-digital transformation models in industry at the COP31 conference to be held in Brazil.

Heavy downpour in Tekirdağ's Süleymanpaşa district caused roads to be flooded and daily life to be disrupted in Cumhuriyet and Değirmenaltı neighborhoods.

Following the yellow code warning of the General Directorate of Meteorology, Kocaeli Governorship banned motorcycles, scooters and motor couriers from entering traffic from the noon of November 4 until the morning of November 5.

Air pollution has reached critical levels in Istanbul and Yalova due to increasing atmospheric pressure in the Marmara Region. Experts stated that windows should be kept closed after 18.00 in the evening and activities that require effort outdoors should be avoided.